Home / 28,501.56-42,753.08-13,505.16

Finding the Fourth Proportional to 28,501.56, 42,753.08 and 13,505.16

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Solution

The fourth proportional to 28,501.56, 42,753.08 and 13,505.16 is: 20,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.56 : 42,753.08 = 13,505.16 : x
  2. Step 2: Convert to fraction form
    28,501.56/42,753.08 = 13,505.16/x
  3. Step 3: Cross multiply
    28,501.56x = 42,753.08 × 13,505.16
  4. Step 4: Simplify right side
    28,501.56x = 577,387,118.37
  5. Step 5: Solve for x
    x = 577,387,118.37/28,501.56
  6. Step 6: Final answer
    x = 20,258.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.